Blackberry

"Blackberry Q10 - RFN81UW version (Black ブラック) SIMフリー 海外携帯" (Blackberry)

"Blackberry Q5 (Black 黒 ブラック) RFS121LW SIMフリー　海外携帯" (Blackberry)

"BlackBerry Bold 9900 docomo [Charcoal Black]" (Research In Motion)

"BlackBerry Passport - Factory Unlocked Smartphone - Black" (Blackberry)

9900でIIJmioが使えそうだし、Blackberryも良いかも^^;